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Atoms and Bonding Quiz - TH CH

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.

What makes up the nucleus of an atom?

a)

Protons

b)

Electrons

c)

Neutrons

d)

Shells

2.

What is the overall charge of an atom?

a)

Positive

b)

Neutral

c)

Negative

3.

Which subatomic particle has the smallest mass?

a)

Proton

b)

Neutron

c)

Electrons

4.

Calcium is in group 2 of the periodic table, and period 4. Using this information select the correct electron configuration.

a)

2.4

b)

2.8.8.2

c)

8.8.8.2

d)

2.4.8.8

5.

Select two options which completes the definition for an isotope.

a)

Same mass number

b)

Different mass number

c)

Same atomic number

d)

Different atomic number.

6.

Sodium is in group 1 of the periodic table. What does this tell us about the structure of the atom.

a)

It contains 1 outer shell electron

b)

It has 1 proton

c)

It has 1 shell

d)

It has a charge of +1

7.

Lithium has the atomic number 3 and mass number 7, how many protons does lithium have?

a)

7

b)

3

c)

10

d)

4

8.

Lithium has the atomic number 3 and mass number 7, how many neutrons does lithium have?

a)

7

b)

3

c)

10

d)

4

9.

How did Mendeleev order his periodic table?

a)

Increasing mass number

b)

Increasing atomic number

c)

Decreasing mass number

d)

Decreasing atomic number

10.

Why did Mendeleev leave gaps in his periodic table?

a)

For isotopes

b)

For compounds

c)

To make it look appealing

d)

For undiscovered elements

11.

Hydrogen has a mass number of 1 and Oxygen has a mass number of 16, what is the RFM of Hydrogen Peroxide (H2O2)?

a)

17

b)

15

c)

34

d)

36

12.

How many molecules are in 1 mole of Water (H2O)?

a)

12.02x1023

b)

6.02x10-23

c)

6.02x1023

d)

6.02x1022

13.

What is the mass of 1 mole of Chlorine atoms?

a)

35.5

b)

6.02x1023

c)

71

d)

18

14.

How any atoms are in 1 mole of NaCl?

a)

6.02x1023

b)

12.04x1023

c)

58.5

d)

3.01x1023

15.

In the reaction below, 0.2mol of Mg is reacted with 0.2mol of Hydrochloric acid. Which reagent is the limiting reagent?

Mg + 2HCl -> MgCl2 + H2

a)

Hydrochloric Acid

b)

Magnesium

c)

Neither

16.

Which is the correct equation for calculating RAM?

a)

 (% × mass) + (% × mass)100\frac{\left(\%\ \times\ mass\right)\ +\ \left(\%\ \times\ mass\right)}{100}  

b)

 (% × mass ) × (% × mass)100\frac{\left(\%\ \times\ mass\ \right)\ \times\ \left(\%\ \times\ mass\right)}{100}  

c)

 (% × %) + (mass × mass)100\frac{\left(\%\ \times\ \%\right)\ +\ \left(mass\ \times\ mass\right)}{100}  

17.

How many moles are in 4.4g of CO2 (RFM = 44)?

a)

0.1

b)

10

c)

48.4

d)

39.6

18.

How many atoms of oxygen are in 1 mole of H2SO4?

a)

6.02x1023

b)

12.04x1023

c)

24.08x1023

d)

18.06x1023

19.

What is the equation for calculating moles?

a)

mass x RFM

b)

mass / RFM

c)

RFM / mass

d)

mass / concentration

20.

How many moles are in 180g of water? (RFM = 18)

a)

1

b)

0.1

c)

18

d)

10

21.

What happens to the electrons in an ionic bond?

a)

They are shared

b)

They are shared in pairs

c)

They are transferred

d)

They are delocalised

22.

What does an ionic bond form between

a)

Metal and metal

b)

Non-metal and non-metal

c)

Metal and non-metal

23.

Select the true statements about the properties of ionic compounds.

a)

Can always conduct electricity

b)

Has a lattice structure

c)

Cannot conduct electricity when solid

d)

Has a high melting point

24.

What happens to the electrons in a covalent bond?

a)

They are shared

b)

They are delocalised

c)

They are transferred

d)

They are shared in pairs

25.

Which of these is an example of a covalent compound?

a)

Water

b)

Sodium Chloride

c)

Magnesium

d)

Calcium Carbonate

26.

Select the correct properties of a covalent compound.

a)

Poor conductors

b)

Low boiling point

c)

High boiling point

d)

Has free electrons

27.

Select the two things which make up the structure of a metallic bond.

a)

Delocalised electrons

b)

Anions

c)

Cations

d)

Localised electrons

28.

Which of these are properties of metals?

a)

Good conductors

b)

Ductile

c)

High melting point

d)

Malleable

29.

Why is diamond used as a cutting tool?

a)

It is hard because it has 4 strong covalent bonds

b)

It is hard because it has 2 strong covalent bonds

c)

It cannot conduct electricity

d)

It is lustrous

30.

What are diamond and graphite examples of?

a)

Molecular compounds

b)

Giant covalent structures

c)

Ionic compounds

d)

Metals

31.

What is the difference between graphite and graphene?

a)

Graphite only has one layer

b)

Graphite has multiple layers

c)

Graphite can conduct electricity

d)

Graphite is made from Carbon

32.

What is the empirical formula of the compound C6H14

a)

C6H14

b)

C3H7

c)

CH

d)

CH3

33.

34g of MgO is produced from 22g of Mg. How much oxygen has reacted?

a)

12g

b)

8g

c)

56g

d)

1.2g

34.

11g of Iron reacts with 5g of Oxygen. How much Iron Oxide will be made?

a)

6g

b)

16g

c)

15g

d)

55g

35.

Which is the correct formula for Magnesium Oxide (made from Mg2+ and O2- ions)?

a)

MgO

b)

Mg2O

c)

MgO2

d)

Mg(O)3

36.

Which is the correct formula for the compound Magnesium Chloride (Made from Mg2+ and Cl- ions)?

a)

MgCl

b)

Mg2Cl

c)

MgCl2

d)

Mg3Cl

37.

Sodium is in group 1 of the periodic table, which ion would it form?

a)

Na-

b)

Na+

c)

Na2+

d)

Na2-

38.

Oxygen is in group 6 of the periodic table, which ion would it form?

a)

O-

b)

O+

c)

O2+

d)

O2-

39.

Aluminium is in group 3 of the periodic table, which ion would it form?

a)

Al5-

b)

Al3-

c)

Al3+

d)

Al+

40.

Which of these is a use of graphite?

a)

Jewellery

b)

Touch screens

c)

Cutting tool

d)

Lubricant

41.

100g of calcium carbonate will breakdown into 56g of calcium oxide and how much carbon dioxide

a)

156g

b)

44g

c)

54g

d)

560g

42.

How many moles of Mg are needed to react with 0.5 moles of HCl?

Mg + 2HCl --> MgCl2 + H2

a)

2

b)

0.5

c)

0.25

d)

1

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